Anatomy When gas-filled cysts are found in subserosa or submucosa of small intestine or colon, it is called A Mesentric cyst B Crohn's disease C Ulcerative colitis D Pneumatosis cystoids intestinalis π‘ Explanation When gas-filled cysts are found in subserosa or submucosa of small intestine or colon, it is called β Correct Answer: D. Pneumatosis cystoids intestinalis